My advice would be to create an upgrade with all the buttons using NEC1 and see how well it works. 
Thanks Robman, this has done the trick all right! I switched everything to NEC1 and the key repeat problem has gone away.
I've uploaded the resulting .rmdu file to http://www.hifi-remote.com/forums ...
					Search found 3 matches
- Mon Oct 04, 2021 1:39 pm
 - Forum: JP1 - Protocol Decodes
 - Topic: Zgemma H9.2S
 - Replies: 4
 - Views: 14975
 
- Mon Oct 04, 2021 8:15 am
 - Forum: JP1 - Protocol Decodes
 - Topic: Zgemma H9.2S
 - Replies: 4
 - Views: 14975
 
 Did you upload the wrong file, because your rmir file doesn't have any learned signals in it. 
Oh, I see what happened. My apologies, I've uploaded a new version of the file now. I deleted all the other devices before saving the .rmir to try and simplify things but I see that the application didn ...
					Oh, I see what happened. My apologies, I've uploaded a new version of the file now. I deleted all the other devices before saving the .rmir to try and simplify things but I see that the application didn ...
- Mon Oct 04, 2021 5:14 am
 - Forum: JP1 - Protocol Decodes
 - Topic: Zgemma H9.2S
 - Replies: 4
 - Views: 14975
 
Zgemma H9.2S
1. Device: Zgemma H9.2S
2. Type of device: Satellite Receiver
3. Year: 2018
4. JP1/UEI Remote model: URC-8610 XSight Lite
5. Do you have a JP1 cable? USB connection working
6. Still have original remote? Yes
7. Checked the file section? Yes - found no Zgemma devices
8. Checked Pronto file section ...
					2. Type of device: Satellite Receiver
3. Year: 2018
4. JP1/UEI Remote model: URC-8610 XSight Lite
5. Do you have a JP1 cable? USB connection working
6. Still have original remote? Yes
7. Checked the file section? Yes - found no Zgemma devices
8. Checked Pronto file section ...